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The
penile arteries continue to deliver sufficient blood to the corpora.
The penile nerves continue to relay signals of sensation to the
brain.
The penile veins are blocked by the swollen corpora, trapping blood
in the penis.
The engorged corpora become riged with trapped blood.
The rigid corpora are hard enough for insertion during intercourse.
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The penile nerves
carry no signals of arousal or sexual stimulation yet. The penile
arteries deliver a normal amount of blood to the corpora. The penile
veins drain a normal amount of blood from the corpora. The blood
vessels in the corpora are restricted, leaving little room for
blood. |